# 创建字符串
s1 = 'hello'
print(s1)
s2 = "world"
print(s2)
s3 = ''' 2025,
hello world
'''
print(s3)

s4 = "It's a cat"
print(s4)
s5 = '1234\'456' # 转义符 \
print(s5)

# 字符串拼接
print("============")
print(s1 + s4) # 字符串拼接

# 你= 5
# print(s1 + n) # error,str和 int 不能相加

# 字符串重复
print(s1 * 3)
print("*" * 30)